Volkan Keles 1efb7b466e [GlobalISel] LegalizationArtifactCombiner: Combine aext([asz]ext x) -> [asz]ext x ...

Summary:
Replace `aext([asz]ext x)` with `aext/sext/zext x` in order to
reduce the number of instructions generated to clean up some
legalization artifacts.

Reviewers: aditya_nandakumar, dsanders, aemerson, bogner

Reviewed By: aemerson

Subscribers: rovka, kristof.beyls, javed.absar, llvm-commits

Differential Revision: https://reviews.llvm.org/D54174

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@347893 91177308-0d34-0410-b5e6-96231b3b80d8

2018-11-29 18:19:24 +00:00

..

AArch64

[GlobalISel] LegalizationArtifactCombiner: Combine aext([asz]ext x) -> [asz]ext x

2018-11-29 18:19:24 +00:00

AMDGPU

[AMDGPU] Add and update scalar instructions

2018-11-29 16:05:38 +00:00

ARC

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ARM

[LegalizeVectorTypes][X86][ARM][AArch64][PowerPC] Don't use SplitVecOp_TruncateHelper for FP_TO_SINT/UINT.

2018-11-26 21:12:39 +00:00

AVR

[AVR] Reorder the CHECK lines in directmem.ll to match current trunk

2018-11-09 23:17:59 +00:00

BPF

[bpf] Test case for symbol information in object file

2018-09-22 17:31:01 +00:00

Generic

Moved dag-combine-select-undef.ll into amdgpu. NFC.

2018-11-17 00:17:15 +00:00

Hexagon

[Hexagon] make test immune to improvements in undef simplification

2018-11-19 15:34:09 +00:00

Inputs

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Lanai

Remove SETCCE use from Lanai's backend

2018-06-03 12:56:24 +00:00

Mips

[TargetLowering] expandFP_TO_UINT - improve fp16 support

2018-11-19 19:16:13 +00:00

MIR

Revert r347490 as it breaks address sanitizer builds

2018-11-23 17:13:06 +00:00

MSP430

[MSP430] Optimize srl/sra in case of A >> (8 + N)

2018-11-19 10:43:02 +00:00

Nios2

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NVPTX

[LegalizeVectorTypes] Don't use SplitVecOp_TruncateHelper if we're heading towards scalarizing the type.

2018-11-23 02:32:13 +00:00

PowerPC

[PowerPC] Fix a conversion is not considered when the ISD::BR_CC node making the instruction selection

2018-11-29 03:04:39 +00:00

RISCV

[RISCV] Constant materialisation for RV64I

2018-11-16 10:14:16 +00:00

SPARC

Relax fast register allocator related test cases; NFC

2018-10-29 20:10:42 +00:00

SystemZ

[SystemZ] make test immune to improvements in undef simplification

2018-11-18 16:50:44 +00:00

Thumb

[SelectionDAG] swap select_cc operands to enable folding

2018-11-09 11:09:40 +00:00

Thumb2

[ARM] Enable spilling of the hGPR register class in Thumb2

2018-11-08 13:02:10 +00:00

WebAssembly

[WebAssembly] WebAssemblyLowerEmscriptenEHSjLj: use getter/setter for accessing tempRet0

2018-11-20 19:25:07 +00:00

WinCFGuard

[COFF] Emit @feat.00 on 64-bit and set the CFG bit when emitting guardcf tables

2018-09-19 09:58:30 +00:00

WinEH

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X86

Revert r347596 "Support for inserting profile-directed cache prefetches"

2018-11-29 13:58:02 +00:00

XCore

Relax fast register allocator related test cases; NFC

2018-10-29 20:10:42 +00:00